MSI NF720DT-C43 Series Manual page 46

▍ ▍ BIOS Setup BIOS Setup
p p/pci c
n onfigurationS
Ths secton descrbes configurng the PCI bus system and PnP (Plug & Play) feature.
PCI, or Perpheral Component Interconnect, s a system whch allows I/O devces to
operate at speeds nearng the speed the CPU tself uses when communcatng wth ts
specal components. Ths secton covers some very techncal tems and t s strongly
recommended that only experenced users should make any changes to the default
settngs.
▶ Prmary Graphc's Adapter
Ths settng specfies whch graphc card s your prmary graphcs adapter.
▶ PCI Latency Tmer
Ths tem controls how long each PCI devce can hold the bus before another takes
over. When set to hgher values, every PCI devce can conduct transactons for a longer
tme and thus mprove the effectve PCI bandwdth. For better PCI performance, you
should set the tem to hgher values.
▶ PCI Slot 1/2/3 IRQ
Ths settng specfies IRQ for PCI devces.
▶ IRQ Resources Setup
Press <Enter> and you wll enter the sub-menu of the tems. IRQ Resources lst IRQ
3/4/5/7/9/10/11/12/14/15 for users to set each IRQ a type dependng on the type of
devce usng the IRQ. Settngs are:
PCI Devce For Plug & Play compatble devces desgned for PCI bus archtecture.
Reserved The IRQ wll be reserved for further request.
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